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General Requirements : Materials , equipment and workmanship shall <br /> conform to the applicable portions of the codes , specifications , standards and <br /> statutes listed below: <br /> National Fire Protection Association : <br /> NFPA No . 70 National Electrical Code <br /> Local Codes : <br /> At the place of the work , all applicable local codes , <br /> regulations and ordinances that are in effect will apply. <br /> National Electrical Manufacturers Association : <br /> AB 1 Circuit Breakers — Molded Case <br /> FB 1 Conduit Fittings , Cable Fittings and <br /> Accessories <br /> IC 1 Industrial Control <br /> SGB 1 Connectors — Electric Power <br /> KS 1 Enclosed Switches <br /> PB 1 Panel boards <br /> TR 1 Transformers <br /> SG 8 . 2 Connectors for Copper Conductors <br /> IC 4 Industrial Enclosures <br /> WC 5 Thermoplastic — Insulated Wire & Cable <br /> American National Standards Institute : <br /> C80 . 1 Rigid Steel Conduit <br /> C6 . 1 Terminal Markings for Electrical Apparatus <br /> Underwriters' Laboratories , Inc. <br /> Standards for Cabinets and Boxes <br /> Standards for Service Equipment <br /> Standard for Industrial Control Equipment . <br /> Standard for Thermoplastic-Insulated Wire <br /> Illuminating Engineering Society: <br /> IES Lighting Handbook <br /> United States Federal Government: <br /> Williams—Steiger Occupational Safety and Health Act <br /> of 1970 (OSHA) <br /> Special Requirements : <br /> Phase rotation of electrical service shall be : L1 , L2 , L3 (Al B , C ) left to right <br /> when facing equipment. <br /> 13- 15 <br />